Wednesday

October 22, 2014

October 22, 2014

Posted by **Kim** on Wednesday, March 25, 2009 at 2:06pm.

- Pre-Cal -
**drwls**, Wednesday, March 25, 2009 at 3:23pmsqrt (-18) = sqrt(-1*9*2) = 3 i sqrt2

The two imaginary parts cancel out when you subtract, and you are left with just 8 - 4 = 4.

**Answer this Question**

**Related Questions**

Pre-Cal - Perform the operation and write the result in standard form. (2-3i)(5i...

Pre-Cal - Perform the addition or subtraction and use the fundamental identities...

math - Could someone double check my answers. 1. Write the number in expanded ...

pre cal - find the standard form of the equation of the ellipse with center (0,0...

pre calc - polynomials & factoring - perform the opertaion and write the result ...

Pre Cal. - 1. Use half-angle identity to find the exact value of cos165. MY ...

math - Perform the indicated operation(s) and express the result in standard ...

Advanced Algebra - I some problems that I need help with please. Add or subtact ...

college algebra - Perform the indicated operation(s) and express the result in ...

Please check answers) - Perform the indicated operations and simplify the result...